Hello Parshant,
Check again, we took Area 1 = 1/2 × Base × Height.
And we multiplied it by 2.
Check here https://www.teachoo.com/3860/464/Ex-12.2--3---Radha-made-a-picture-of-an-aeroplane/category/Ex-12.2/
Written on Oct. 2, 2017, 2:49 p.m.
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In que 3 area of 1 and 3 = 2 area(1), then why you take 1/2
Davneet Singh
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